WG

William T. Groff

Caterpillar: 2 patents #2,982 of 8,398Top 40%
Overall (All Time): #2,234,929 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6029682 Rapidly opening electromagnetic valve Stephen R. Lewis, Charles B. Looney, Larry R. Mitzelfelt, Jr., David E. Martin, James D. Griffith +4 more 2000-02-29
6026786 Method and apparatus for controlling a fuel injector assembly of an internal combustion engine Stephen R. Lewis, David C. Mack, Robert R. Patterson 2000-02-22